Home / 7,654.02-11,479.67-2,106.02

Finding the Fourth Proportional to 7,654.02, 11,479.67 and 2,106.02

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Solution

The fourth proportional to 7,654.02, 11,479.67 and 2,106.02 is: 3,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.02 : 11,479.67 = 2,106.02 : x
  2. Step 2: Convert to fraction form
    7,654.02/11,479.67 = 2,106.02/x
  3. Step 3: Cross multiply
    7,654.02x = 11,479.67 × 2,106.02
  4. Step 4: Simplify right side
    7,654.02x = 24,176,414.61
  5. Step 5: Solve for x
    x = 24,176,414.61/7,654.02
  6. Step 6: Final answer
    x = 3,158.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.